Albert marcellus



ktailed in thev cdgcbfrthe upright. It is provided with a lip, i', oneach @leiten tate-s -ga'tent @fitta IMPROVEMENT IN POTATO-DIGGER.

l@lgcrlptnlc tuant in` it tips Enters @that mit' uniting part af tigtstmt "ro ALL WHOM ir 'MAY coNCEnN:

e it known that I, ALnERT MARCELLUS, ot' Pittsford, in the county ofMonroe, and State of Newf'York, have invented certain new anduset'nlImprovements in Potato-Diggers and I do hereby declare that thefollowing is n.` `ull,c`lear, and exact description thereof, reference'being had to the accompanying drawings, making part of thisspecification, in whichfi Y Figure 1 is a side elevation, having the.right-hand mould-board B and shaker Gr removed, as is also therightfhand sido ot' the frame, and a portion of the driving-gear C. i l

Figure 2 is n top view of the plough and the shakers. V

FigureS is a top view of the detachable point f1, and a portion of theupright S, to which it is keyed.

-Figure 4 is a'transverse vertical section in the plane of the red lineg, figs. .1 and 2.

Likeflettcrs indicate corresponding parts in the several figures. Thevground-wheels are only represented by dotted lines W, in iig. 1.

vThis invention relates to improvements upon my former patentofFebruaryg, 1866, and itrcnsists, mainly, in an improved construction ofthe plough, in hanging the shakers' to rthe wings of the mould-boards,and in providing suitable' means for vibratingl or shaking them; also inthe rnannerrof raising and loweringrthe plough.

To enable others to make and use my invention, I will describeitsleonstruction and operation. I carry this machine upon the same styleof ground '..l cls aslthose patented tome in 1866. I now attach eachwheel rigidly to a short shaft, hung in suitable boxes to theunder sideof Athe frame. Upon one shaft, A, y p

I hang loosely the spur or driving-'gear7 which is driven, when desired,by the sliding-clutch g, which isoperated bythe hand-lever D, and isheld in or out of gear by placing the pin b one side ,or-thc other ofthe lever.l The'crank-shaft s` is driven by the connecting gearing fromthe ground-wheel shaft A, and it operates 0 1' vbrates vertically theshakers G and G. lThe ground-wheels may be attached loosely to one longshaft, if desired, andeither or both provided with a suitable ratchet.The stock E, supporting `the upright S, is made with a. long bearing inthe rear and on the lower side of the frame, and 'forward, above-it. Iprovide a friction-roller,r, in lthe upper side, against which the frontedge of the upright S rests. The rear c 'dge ishtoothed, as shown, and

the `lever 'l has a 'toothed segmental head, H, which engages theupright S. The spring-bolt also engages the i teeth of the upright.`This ratchet is withdrawn, when any change is to be made in the gaugeofthe plough,`

by means of the hand-leverf, and it is thrown into and retained in gearby the spiral spring R. The lower end of the upright S is shapedns shownin fig. 1,jand is cast with a mortisc togreceive the lu'g m, cast uponthe left wing wandwvhich rcache'sithrough upon the right wing, as shownin ig.,2, and there is a similar projection. x from the edge of wing w,running under thelug m; or the lugsmay be divided, one half being castupon each Wing, one part in front and the other in' the rear. The wingsare provided with ears y, g. 1, through which they are bolted to theupright S, and also with a; `flange, c, at the outer` edgeto which themould-board plates B and B are bolted. The lug m and projection fromwing w are notched, `as shown at a, fig. 2, and after being. insertedthe wings are. moved back, :is shown, and .a wooden key driven-'throughin` front at c, which securely locks them to the upright. Therc'may beangle or brace-irons cast to'l the, upper si'de of the wings w andw,.or.

to the sides ot' the upright S, for the support of the wings, The platesBand B are provided with suitable' ears, e, to hinge the shakers to, asVseen` indgs. 1-and 2. The latter -rcccivc `avertical vibration or shakeby means of the double rod It', iig. 1. The nose-plate P is roundedove-' the edge of the upright S, and the ends ,overlap the mould-boardsB andB, and are attached to thomby screw-bolts.` .Itis rmlyheldiin itsposition vertically between the notches @and z, fig. 1. The pointp ismade tol fit tlc xiotchcsn and t, which are doveby dotted linesin ligl1, which clasp thc sides of the upright. It is'sciilrelyheld in positionby simply driving in key, z'. -The main object in making this pointdetachable is, th'at'when it becomes uselessl by being worn andfdull, itmay be readily detached'andal new one substitut-ed.4 Thepointlwhere thewear comes is cast upon :r-chillcrt The mould-boards extend ncarlyto theedge ofthe ground-wheels.

I aui"g'i`:nvin'ceg rlj,'by a great variety of oft-repeated.rexperiments, that the only really practical way-todig potatoesrrmehinenyv is the plan adopted in this machine, viz, to part the hillin the centre, and force it each 'way intothe ground-wheels, frcmwliichthepotatoes and othercoarse substances that will not pass through the ie, shown in figgnndvalso represented wheels yare dischargedupon theshakers, where the separation is perfected, and the potatoes depositedin a central row upon the surface of the ground,- or upon anelevating-belt, if desired. I have also-ascertained, by actualexperiment, that when the nose-plate P is rounded in front, and in avertical' position, or nearly so, as shown at 7L, iig. 2, it isimpossible to clog the plough with u'ecds, vines, or similar substances,because they are easily drawn one way or the other across the roundedvertical nose-plate. There may be a sheet-iron guard, a few inches wide,attached to the nose-platc 1)andl extended back to the front edge of theshakers, to prevent the lodgnient or depositof earth, Bte., on theWings. The upright S projects ydownwardbelow the lo'wer edge ot' themould-boards to act as. a lateral guide or steady for the inachine,which is found to be very essential in the Working of this machine.

What Irelaim as my invention, and desire to secure by Letters Patent,is-

I. The arrangement of the nose-plate P, witlrits dividing line verticalor nearly so, and rounded, substantially in the manner and for 4thepurposes herein shown and described.

2. The arrangement ofthe wings w and w, in combination with the uprightS, to which they arerconuectcd suitably, as and for the purposes hereinspecified.

3. The detachable mould-boards B and B', in combination with thenose-plate P, and the-wings w and w', when the said mould-boards arearranged with their faces or ilat sides vertical, or nearly so, asshown.

4. Hinging the shakers Grand Gr to the mould-boards, substantially asdescribed, and vibrating them-ver- I tically, for the purposes setforth.

5. The arrangement of the toothed upright and toothed headed lever T,with the friction-roller 1', ratchet. d, and lits lever f, substantiallyas shown and described, for the purpose of gauging and adjusting theelevation of the plough.

6. The detachable point ZJ, constructed and connected substantially inthe manner and for thc-purposes herein shown and described.

ALBERT MARCELLUS.

Witnesses WM'. S. Louennonouon, FRED. A. I-IA'ren.

